Regression tests for PR258 and PR259.

2004-02-26-FPNotPrintableConstants.llx ensures that constants used in an
LLVM program are declared static if they are assigned to global variables.
2004-02-26-LinkOnceFunctions.llx ensures that linkonce functions get the
weak attribute.

llvm-svn: 11885

llvm/test/Regression/CodeGen/CBackend/2004-02-26-FPNotPrintableConstants.llx

@@ -0,0 +1,8 @@
+; This is a non-normal FP value: it's a nan.
+; RUN: llvm-as < %s | llc -march=c 
+; llvm-as < %s | llc -march=c | grep FPConstant | grep static
+
+float %func () {
+  ret float 0xFF20000000000000
+}
+

llvm/test/Regression/CodeGen/CBackend/2004-02-26-LinkOnceFunctions.llx

@@ -0,0 +1,8 @@
+; RUN: llvm-as < %s | llc -march=c | grep func1 | grep WEAK
+
+implementation
+
+linkonce int %func1 () {
+  ret int 5
+}
+